PT-2026-89251

This module allows you to configure your Drupal site as a SAML 2.0 Service Provider so that users can authenticate through an external identity provider. The module does not sufficiently prevent reuse of previously accepted SAML assertions. Under certain circumstances, a valid assertion may be...

CVE-2026-12704

On Grafana Enterprise instances with the optional IdP-initiated SAML single sign-on enabled allowidpinitiated = true, disabled by default, Grafana did not fully validate the InResponseTo field of SAML responses. An attacker who obtained a valid, signed SAML assertion for a user could replay it...

CVE-2026-75034 Rancher: SAML Assertion Replay

A flaw was found in Rancher Manager. The SAML assertion replay protection introduced by the fix for CVE-2026-44946 recorded consumed assertion IDs in a per-process cache, so each replica only detected replays that reached the same pod. In a high-availability deployment, an attacker holding a...

PT-2026-83115

Name of the Vulnerable Software and Affected Versions Rancher versions prior to 2.15.1 Description Rancher Manager contains a flaw in its SAML assertion replay protection. Consumed assertion IDs are recorded in a per-process cache, meaning each replica only detects replays that reach the same pod...

CVE-2026-53424 Missing one-time-use enforcement in Samly allows replay of SAML bearer assertions

Authentication Bypass by Capture-replay vulnerability in dropbox samly allows an attacker to authenticate as the subject of a captured SAML assertion by resubmitting it. Samly.Helper.decodeidpauthresp/3 in lib/samly/helper.ex calls esamlsp:validateassertion/2, whose default duplicate detector is ...

EEF-CVE-2026-53424 Missing one-time-use enforcement in Samly allows replay of SAML bearer assertions

Summary Authentication Bypass by Capture-replay vulnerability in dropbox samly allows an attacker to authenticate as the subject of a captured SAML assertion by resubmitting it. Samly.Helper.decodeidpauthresp/3 in lib/samly/helper.ex calls esamlsp:validateassertion/2, whose default duplicate...

PT-2026-79072

Name of the Vulnerable Software and Affected Versions dropbox samly versions 0.3.0 and later Description An authentication bypass exists where an attacker can authenticate as the subject of a captured SAML assertion by resubmitting it. This occurs because the function decode idp auth resp/3 in...

PT-2026-53861

Name of the Vulnerable Software and Affected Versions Rancher versions 2.14.0 through 2.14.2 Rancher versions 2.13.0 through 2.13.6 Rancher versions 2.12.0 through 2.12.10 Rancher versions 2.11.0 through 2.11.14 Description A SAML authentication replay issue exists in the Assertion Consumer Servi...